<template>
  <div class="tools-div">
    <el-button type="success" size="small" @click="addShow">添 加</el-button>
  </div>

  <el-table :data="list" style="width: 100%">
    <el-table-column prop="specName" label="规格名称" />
    <el-table-column label="规格值" #default="scope">
      <div
        v-for="(item1, index1) in scope.row.specValue"
        :key="index1"
        style="padding: 5px; margin: 0;width: 100%;"
      >
        {{ item1.key }}：
        <span
          v-for="(item2, index2) in item1.valueList"
          :key="index2"
          class="div-atrr"
        >
          {{ item2 }}
        </span>
      </div>
    </el-table-column>
    <el-table-column prop="createTime" label="创建时间" />
    <el-table-column label="操作" align="center" width="200" #default="scope">
      <el-button type="primary" size="small" @click="editShow(scope.row)">
        修改
      </el-button>
      <el-button type="danger" size="small" @click="remove(scope.row.id)">
        删除
      </el-button>
    </el-table-column>
  </el-table>

  <el-pagination
    v-model:current-page="pageParams.page"
    v-model:page-size="pageParams.limit"
    :page-sizes="[10, 20, 50, 100]"
    layout="total, sizes, prev, pager, next"
    :total="total"
    @size-change="handleSizeChange"
    @current-change="handleCurrentChange"
  />
  <el-dialog v-model="dialogVisible" title="添加或修改" width="40%">
    <el-form label-width="120px">
      <el-form-item label="规格名称">
        <el-input v-model="productSpec.specName" />
      </el-form-item>
      <el-form-item>
        <el-button size="default" type="success" @click="addSpec">
          添加新规格
        </el-button>
      </el-form-item>
      <el-form-item
        label=""
        v-for="(item, index) in productSpec.specValue"
        :key="index"
      >
        <el-row>
          <el-col :span="10">
            <el-input
              v-model="item.key"
              placeholder="规格"
              style="width: 90%;"
            />
          </el-col>
          <el-col :span="10">
            <el-input
              v-model="item.valueList"
              placeholder="规格值(如:白色,红色)"
              style="width: 90%;"
            />
          </el-col>
          <el-col :span="4">
            <el-button size="default" type="danger" @click="delSpec(index)">
              删除
            </el-button>
          </el-col>
        </el-row>
      </el-form-item>
      <el-form-item align="right">
        <el-button type="primary" @click="saveOrUpdate">提交</el-button>
        <el-button @click="dialogVisible = false">取消</el-button>
      </el-form-item>
    </el-form>
  </el-dialog>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import {
  DeleteProductSpecById,
  GetProductSpecPageList,
  SaveProductSpec,
  UpdateProductSpecById,
} from '@/api/productSpec.js'
import { ElMessage, ElMessageBox } from 'element-plus'

// 表格数据模型
const list = ref([])

// 分页条数据模型
const total = ref(0)

//分页条数据模型
const pageParamsForm = {
  page: 1, // 页码
  limit: 10, // 每页记录数
}
const pageParams = ref(pageParamsForm)

// 定义数据模型
const dialogVisible = ref(false)

// 添加表单数据模型
const defaultForm = {
  id: '',
  specName: '',
  specValue: [],
}
const productSpec = ref(defaultForm)

//进入修改
const editShow = row => {
  productSpec.value = row
  dialogVisible.value = true
}

//进入添加
const addShow = () => {
  dialogVisible.value = true
  productSpec.value = {
    id: '',
    specName: '',
    specValue: [],
  }
}

// 页面添加规格操作
const addSpec = () => {
  productSpec.value.specValue.push({})
}

// 页面删除规格元素
const delSpec = index => {
  productSpec.value.specValue.splice(index, 1)
}

// 提交表单
const saveOrUpdate = async () => {
  if (!productSpec.value.id) {
    saveData()
  } else {
    updateData()
  }
}

// 保存修改
const updateData = async () => {
  // 需要将productSpec.value.specValue转换成json字符串提交到后端，通过clone一个新的对象进行实现
  const productSpecClone = JSON.parse(JSON.stringify(productSpec.value))

  // 将productSpecClone.specValue.valueList转换成数组，因为后端需要的数组格式的数据[{"key":"内存","valueList":["8G","18G","32G"]}]
  // v-model绑定的数据模型为字符串
  productSpecClone.specValue.forEach(item => {
    if (typeof item.valueList === 'string') {
      // 针对规格数据修改完毕以后数据类型有可能会变成string，针对string类型的数据将其转换成数组
      item.valueList = item.valueList.split(',')
    }
  })
  productSpecClone.specValue = JSON.stringify(productSpecClone.specValue)

  // 提交表单
  await UpdateProductSpecById(productSpecClone)

  dialogVisible.value = false
  ElMessage.success('操作成功')
  fetchData()
}

// 保存数据
const saveData = async () => {
  // 需要将productSpec.value.specValue转换成json字符串提交到后端，通过clone一个新的对象进行实现
  const productSpecClone = JSON.parse(JSON.stringify(productSpec.value))

  // 将productSpecClone.specValue.valueList转换成数组，因为后端需要的数组格式的数据[{"key":"内存","valueList":["8G","18G","32G"]}]
  // v-model绑定的数据模型为字符串
  productSpecClone.specValue.forEach(item => {
    item.valueList = item.valueList.split(',')
  })
  productSpecClone.specValue = JSON.stringify(productSpecClone.specValue)

  // 提交表单
  await SaveProductSpec(productSpecClone)

  dialogVisible.value = false
  ElMessage.success('操作成功')
  fetchData()
}

//删除
const remove = async id => {
  ElMessageBox.confirm('此操作将永久删除该记录, 是否继续?', 'Warning', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning',
  })
    .then(async () => {
      await DeleteProductSpecById(id)
      ElMessage.success('删除成功')
      fetchData()
    })
    .catch(() => {
      ElMessage.info('取消删除')
    })
}

// 钩子函数
onMounted(() => {
  fetchData()
})

//页面变化
const handleSizeChange = size => {
  pageParams.value.limit = size
  fetchData()
}
const handleCurrentChange = number => {
  pageParams.value.page = number
  fetchData()
}

// 分页查询
const fetchData = async () => {
  const { data } = await GetProductSpecPageList(
    pageParams.value.page,
    pageParams.value.limit
  )
  data.list.forEach(item => {
    item.specValue = JSON.parse(item.specValue) // 将规格字符串转换成规格js对象
  })
  list.value = data.list
  total.value = data.total
}
</script>

<style scoped>
.tools-div {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #ebeef5;
  border-radius: 3px;
  background-color: #fff;
}

.div-atrr {
  padding: 5px 10px;
  margin: 0 10px;
  background-color: powderblue;
  border-radius: 10px;
}
</style>
